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Sus
pens
1
on
SprlJlgs
(No. 9) - Every 30 llours,
Greue liberally with general purpose, lithium base
grease.
Pivot Assemblies
()'.'o.
10) - Annually. 011 JlberaUy
w1tb
SAl!
SW-20 or JOW-30 Motor
oil.
Idler Sbaft (No. 11) - Annually. Grease liberaUy
wttb general purpose, htbimn base grease.
MAINTE
NAN
CE
Carbu
reto
r
Ad
ju
stment
1110
carburetor is
adJUSted
at the ractory and should
.!!.2!.
be
rcndjustcd unless pcrrormonce is excepnonally
poor
or erratic
.
See Fig
.
10
Doth
high s peed
and
Idle mixture screws
are turned
c lockwise to
close,
or
lean
tJ1e
mixtu re;
and
counte r-
c
lockwise to open, or enrich the m!xru
re.
To
adjust
IJle
CO
rw
rCtOr,
proceed as
!OliOWI$:
CAUTION: N
e
v
er
attempt to
adjust
the
Sid
WhJz
when It
I•
movlllg.
I.
Turn the h1gb
~
otnd
Idle muu:ure screws
clocnue Wltll
fully
closed,
then
open
b)•
rurnmg caun-
terc:lockwule
1-1/4
rums
oa
idle
mixture screw and
1-1
/2
w
rns on
high
speed
screw.
IMPORTANT': Do nat rurn
adjusting
screws ln
tight
1111
seats may
become damAged.
2. Block
up
IJle
rear
or
the Ski
Wlllz
so IJlat the
track Is free or the ground. Start engine
<Lnd
allow
to
run
at Id
le
speed
until
normal
operating
temperatures
ore
reached
.
Never race a
cold
engine.
-
16 -
fig.
10
-Carburetor
Adjustment
&
CAUTION
:
U
adjus
tment
Is
!Mde
Indoors
.
anach a tube to the
exhaust pipe
so
IJlat
fumes
will be
emit
t
e
d
outside. Carbon
monoxJde
Is
deadly.
3
.
Adjust
the Idle mixture screw
1/8
tum
at
a time
WltU
a smooth steady
Idle Is
achieved.
4.
Adjust the
Idle
speed screw
UDtU the engine
Is
operating at from
1900
to
2000 rpm.
5. ReadJUst the
Idle mlxwre screw
at
this
"PC<'<~
Wlttl tbe
eagme
•g~lll
runs smOothly.
After the
car
buretor has been adJUSted, shut
of!
the
~oe.
then attempt ro
restart.
It should
sun
e<Jslly
and
rtlJl
smOothly.
II the c:adluretOr adJUstments h<lve
been correctly mnde.
6. Adjust high
speed
screw to provide best per-
formance for cllmnllc conditions and
type
or
operation
dasired.
lMPORTANT:
DO NOT ADJUST
CARBURETOR
-
17
-
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